DaJakal said

It won't let me login on a new profile on a laptop that already has sync setup on my other profiles. URL about:accounts?entryPoint=menupanel Please assist

I apologize for my horrid grammar. "Why does Firefox sync login page say it has a bad signature?"

I tried to uninstall and reinstall firefox and it still has the problem. I can't login to sync and get the bookmarks I need off of my profile. Please assist.

What security software do you have?

There is security software like Avast and Kaspersky and BitDefender and ESET that intercept secure connections and send their own certificate.

If you can't inspect the certificate via "I Understand the Risks" then try this:

Open the "Add Security Exception" window by pasting this chrome URL in the Firefox location/address bar and check the certificate:

• chrome://pippki/content/exceptionDialog.xul

In the location field of this window type or paste the URL of the website.

• retrieve the certificate via the "Get certificate" button
• click the "View..." button to inspect the certificate in the Certificate Viewer

You can inspect details like the issuer and the certificate chain in the Details tab of the Certificate Viewer.